CVE-2013-4701

Name of the Vulnerable Software and Affected Versions PHP OpenID Library version 2.2.2 and earlier

Description The issue allows remote attackers to read arbitrary files, send HTTP requests to intranet servers, or cause a denial of service (CPU and memory consumption) via XRDS data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Recommendations For PHP OpenID Library version 2.2.2 and earlier, update to a version later than 2.2.2 to resolve the issue.